This one is so easy however it is not one that is mentioned very often, sometimes you will need to see how a Mac performs under load, perhaps because it is crashing or overheating any reason you can think of really. Well your OSx install comes with all the CPU
Read moreAuthor: Andrew Galdes
A Linux and Cybersecurity expert in Australia.
RHCE, Linux+, Sec+, CySA+, CASP+, CISM
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Extend User Password Expiry
When you have users that travel for weeks at a time it is likely that you are going to encounter a point when they need to have their password extended so that it does not expire while they are overseas. In this article you will be able to reset the
Read moreMac Open Command
Using a Mac it is simply easier to navigate around using the command line, however what happens when you get to the file that you want and then want to open it in your favourite GUI application. well that is when you use the “Open” Command, which really is a
Read moreDelete WIFI Network Windows 8
One of the issues that I have come up against just recently is users not being able to delete or “Forget” a wireless network in order to change settings or Passkeys. This issue branches from the fact that “Manage Wireless Networks” menu has been remove with Windows 8. However you
Read moreManaging Tomcat6 via the Web Manager tool – Redhat/CentOS
This article explains how to configure the web manager for Tomcat6. The web manager tool allows the administrator (or anyone with valid credentials) to start and stop individual Tomcat applications and to upload new Tomcat applications (WAR files). Make sure to install the packages: yum install tomcat6 tomcat6-admin* Edit your
Read moreConfigure Postfix to relay SMTP to Amazons AWS SES SMTP gateway
We start from a working Postfix configuration. This article will simply show you what needs to be changed in order to use the Amazon SES email relay. In this example we’re using the “email-smtp.us-east-1.amazonaws.com” SMTP relay from Amazon. you should use the one allocated to you. See Amazon’s documentation here.
Read moreHow to Install and Test Tomcat6 on Redhat/CentOS
This article explains how to install and test Tomcat 6 on Redhat or CentOS Linux. Often you will simply download your java based application (such as OpenKM for example) packaged complete with Tomcat. But you can also do as we’re about to and install Tomcat by it’s self. This article
Read morePerformance Monitoring Apache/Httpd
When monitoring the performance of your Apache web server, you should use system level tools such as top, vmstat, free, netstat and so on. In addition, Apache it’s self has a nice feature called “server-status” which allows you to monitor the Apache performance via a web browser. A screen shot
Read moreUpdate OpenSSL on Ubuntu for the HeartBleed bug
On Ubuntu, issue the following commands to update the lest possible packages while patching the Heartbleed bug. apt-get update apt-get install openssl libssl1.0.0 And then restart any services that need it.
Read moreCreate your own Munin Plugin on Redhat/CentOS
This article explains how to create your own munin plugin. We will monitor the number of Apache and/or Nginx processors running. On the munin-node (client), create a file as “/usr/share/munin/plugins/webserver-count” and put the following content into it: #!/bin/sh case $1 in config) cat <<‘EOM’ graph_title Webserver Count graph_vlabel load
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